document.getElementById("loginBtn").onclick=function(){
    document.getElementById("loginBtn").style.fontSize="40px"
    document.getElementById("registerBtn").style.fontSize="30px"
    document.getElementById("registers").style.display = "none";
    document.getElementById("logins").style.display = "block";

}
document.getElementById("registerBtn").onclick=function(){
    document.getElementById("loginBtn").style.fontSize="30px"
    document.getElementById("registerBtn").style.fontSize="40px"
    document.getElementById("registers").style.display = "block";
    document.getElementById("logins").style.display = "none";

}